I grew some of those for the towers. If any one wants them without the "block" grown, I can do that too. They are considerably cleaner than the originals, which did have a wonky charm, but I wanted to do an idealized "perfect" version.
So, as I was saying, ten years ago...
Mark, sorry, I don't know why I didn't answer you back then, and I'm sure this is redundant by now, but this is the kit I was referring to, re: the 'grid' detail. You can see the rescue-basket in the middle of the other parts.